Open Stack

i have cloned fuel repo and follow
https://docs.fuel-infra.org/fuel-dev/develop/env.html steps : in section
5.7 building Documentaion . when i run command  " make html " it gives
follow error.


(fuel-web-venv)pramesh at pramesh:~/Documents/fuel-web/docs$ make html
sphinx-build -b html -W -d _build/doctrees   . _build/html
Traceback (most recent call last):
  File "/usr/local/bin/sphinx-build", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2749, in
<module>
    working_set = WorkingSet._build_master()
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 446, in
_build_master
    return cls._build_from_requirements(__requires__)
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 459, in
_build_from_requirements
    dists = ws.resolve(reqs, Environment())
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 628, in
resolve
    raise DistributionNotFound(req)
pkg_resources.DistributionNotFound: Sphinx==1.4b1
make: *** [html] Error 1
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